blob: c69dd5c9f18b20cff216e7f64ee0d9132df21d97 [file] [log] [blame]
/****************************************************************************
*
* The MIT License (MIT)
*
* Copyright (c) 2014 - 2018 Vivante Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*****************************************************************************
*
* The GPL License (GPL)
*
* Copyright (C) 2014 - 2018 Vivante Corporation
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*****************************************************************************
*
* Note: This software is released under dual MIT and GPL licenses. A
* recipient may use this file under the terms of either the MIT license or
* GPL License. If you wish to use only one license not the other, you can
* indicate your decision by deleting one of the above license notices in your
* version of this file.
*
*****************************************************************************/
#include "gc_hal_kernel_linux.h"
#include <linux/pagemap.h>
#include <linux/seq_file.h>
#include <linux/mman.h>
#include <linux/slab.h>
#define _GC_OBJ_ZONE gcvZONE_DEVICE
#define DEBUG_FILE "galcore_trace"
#define PARENT_FILE "gpu"
#define gcdDEBUG_FS_WARN "Experimental debug entry, may be removed in future release, do NOT rely on it!\n"
static gckGALDEVICE galDevice;
extern gcTA globalTA[16];
/******************************************************************************\
******************************** Debugfs Support *******************************
\******************************************************************************/
/******************************************************************************\
***************************** DEBUG SHOW FUNCTIONS *****************************
\******************************************************************************/
int gc_info_show(struct seq_file* m, void* data)
{
gcsINFO_NODE *node = m->private;
gckGALDEVICE device = node->device;
int i = 0;
gceCHIPMODEL chipModel;
gctUINT32 chipRevision;
gctUINT32 productID = 0;
gctUINT32 ecoID = 0;
for (i = 0; i < gcdMAX_GPU_COUNT; i++)
{
if (device->irqLines[i] != -1)
{
#if gcdENABLE_VG
if (i == gcvCORE_VG)
{
chipModel = device->kernels[i]->vg->hardware->chipModel;
chipRevision = device->kernels[i]->vg->hardware->chipRevision;
}
else
#endif
{
chipModel = device->kernels[i]->hardware->identity.chipModel;
chipRevision = device->kernels[i]->hardware->identity.chipRevision;
productID = device->kernels[i]->hardware->identity.productID;
ecoID = device->kernels[i]->hardware->identity.ecoID;
}
seq_printf(m, "gpu : %d\n", i);
seq_printf(m, "model : %4x\n", chipModel);
seq_printf(m, "revision : %4x\n", chipRevision);
seq_printf(m, "product : %4x\n", productID);
seq_printf(m, "eco : %4x\n", ecoID);
seq_printf(m, "\n");
}
}
return 0;
}
int gc_clients_show(struct seq_file* m, void* data)
{
gcsINFO_NODE *node = m->private;
gckGALDEVICE device = node->device;
gckKERNEL kernel = _GetValidKernel(device);
gcsDATABASE_PTR database;
gctINT i, pid;
char name[24];
seq_printf(m, "%-8s%s\n", "PID", "NAME");
seq_printf(m, "------------------------\n");
/* Acquire the database mutex. */
gcmkVERIFY_OK(
gckOS_AcquireMutex(kernel->os, kernel->db->dbMutex, gcvINFINITE));
/* Walk the databases. */
for (i = 0; i < gcmCOUNTOF(kernel->db->db); ++i)
{
for (database = kernel->db->db[i];
database != gcvNULL;
database = database->next)
{
pid = database->processID;
gcmkVERIFY_OK(gckOS_GetProcessNameByPid(pid, gcmSIZEOF(name), name));
seq_printf(m, "%-8d%s\n", pid, name);
}
}
/* Release the database mutex. */
gcmkVERIFY_OK(gckOS_ReleaseMutex(kernel->os, kernel->db->dbMutex));
/* Success. */
return 0;
}
static void
_CounterAdd(
gcsDATABASE_COUNTERS * Dest,
gcsDATABASE_COUNTERS * Src
)
{
Dest->bytes += Src->bytes;
Dest->maxBytes += Src->maxBytes;
Dest->totalBytes += Src->totalBytes;
}
static void
_CounterPrint(
gcsDATABASE_COUNTERS * Counter,
gctCONST_STRING Name,
struct seq_file* m
)
{
seq_printf(m, " %s:\n", Name);
seq_printf(m, " Used : %10llu B\n", Counter->bytes);
}
int gc_meminfo_show(struct seq_file* m, void* data)
{
gcsINFO_NODE *node = m->private;
gckGALDEVICE device = node->device;
gckKERNEL kernel = _GetValidKernel(device);
gckVIDMEM memory;
gceSTATUS status;
gcsDATABASE_PTR database;
gctUINT32 i;
gctUINT32 free = 0, used = 0, total = 0, minFree = 0, maxUsed = 0;
gcsDATABASE_COUNTERS contiguousCounter = {0, 0, 0};
gcsDATABASE_COUNTERS virtualCounter = {0, 0, 0};
gcsDATABASE_COUNTERS nonPagedCounter = {0, 0, 0};
status = gckKERNEL_GetVideoMemoryPool(kernel, gcvPOOL_SYSTEM, &memory);
if (gcmIS_SUCCESS(status))
{
gcmkVERIFY_OK(
gckOS_AcquireMutex(memory->os, memory->mutex, gcvINFINITE));
free = memory->freeBytes;
minFree = memory->minFreeBytes;
used = memory->bytes - memory->freeBytes;
maxUsed = memory->bytes - memory->minFreeBytes;
total = memory->bytes;
gcmkVERIFY_OK(gckOS_ReleaseMutex(memory->os, memory->mutex));
}
seq_printf(m, "VIDEO MEMORY:\n");
seq_printf(m, " gcvPOOL_SYSTEM:\n");
seq_printf(m, " Free : %10u B\n", free);
seq_printf(m, " Used : %10u B\n", used);
seq_printf(m, " MinFree : %10u B\n", minFree);
seq_printf(m, " MaxUsed : %10u B\n", maxUsed);
seq_printf(m, " Total : %10u B\n", total);
/* Acquire the database mutex. */
gcmkVERIFY_OK(
gckOS_AcquireMutex(kernel->os, kernel->db->dbMutex, gcvINFINITE));
/* Walk the databases. */
for (i = 0; i < gcmCOUNTOF(kernel->db->db); ++i)
{
for (database = kernel->db->db[i];
database != gcvNULL;
database = database->next)
{
gcsDATABASE_COUNTERS * counter = &database->vidMemPool[gcvPOOL_CONTIGUOUS];
_CounterAdd(&contiguousCounter, counter);
counter = &database->vidMemPool[gcvPOOL_VIRTUAL];
_CounterAdd(&virtualCounter, counter);
counter = &database->nonPaged;
_CounterAdd(&nonPagedCounter, counter);
}
}
/* Release the database mutex. */
gcmkVERIFY_OK(gckOS_ReleaseMutex(kernel->os, kernel->db->dbMutex));
_CounterPrint(&contiguousCounter, "gcvPOOL_CONTIGUOUS", m);
_CounterPrint(&virtualCounter, "gcvPOOL_VIRTUAL", m);
seq_printf(m, "\n");
seq_printf(m, "NON PAGED MEMORY:\n");
seq_printf(m, " Used : %10llu B\n", nonPagedCounter.bytes);
return 0;
}
static int
_ShowRecord(
IN struct seq_file *File,
IN gcsDATABASE_RECORD_PTR Record
)
{
static const char * recordTypes[gcvDB_NUM_TYPES] = {
"Unknown",
"VideoMemory",
"CommandBuffer",
"NonPaged",
"Contiguous",
"Signal",
"VidMemLock",
"Context",
"Idel",
"MapMemory",
"MapUserMemory",
"ShBuf",
};
seq_printf(File, "%-14s %3d %16p %16zu %16zu\n",
recordTypes[Record->type],
Record->kernel->core,
Record->data,
(size_t) Record->physical,
Record->bytes
);
return 0;
}
static int
_ShowRecords(
IN struct seq_file *File,
IN gcsDATABASE_PTR Database
)
{
gctUINT i;
seq_printf(File, "Records:\n");
seq_printf(File, "%14s %3s %16s %16s %16s\n",
"Type", "GPU", "Data/Node", "Physical/Node", "Bytes");
for (i = 0; i < gcmCOUNTOF(Database->list); i++)
{
gcsDATABASE_RECORD_PTR record = Database->list[i];
while (record != NULL)
{
_ShowRecord(File, record);
record = record->next;
}
}
return 0;
}
static void
_ShowCounters(
struct seq_file *File,
gcsDATABASE_PTR Database
)
{
gctUINT i = 0;
static const char * surfaceTypes[gcvSURF_NUM_TYPES] = {
"Unknown",
"Index",
"Vertex",
"Texture",
"RenderTarget",
"Depth",
"Bitmap",
"TileStatus",
"Image",
"Mask",
"Scissor",
"HZ",
"ICache",
"TxDesc",
"Fence",
"TFBHeader",
};
static const char * poolTypes[gcvPOOL_NUMBER_OF_POOLS] = {
"Unknown",
"Default",
"Local",
"Internal",
"External",
"Unified",
"System",
"Virtual",
"User",
"Contiguous",
};
static const char * otherCounterNames[] = {
"AllocNonPaged",
"AllocContiguous",
"MapUserMemory",
"MapMemory",
};
gcsDATABASE_COUNTERS * otherCounters[] = {
&Database->nonPaged,
&Database->contiguous,
&Database->mapUserMemory,
&Database->mapMemory,
};
seq_printf(File, "%-16s %16s %16s %16s\n", "", "Current", "Maximum", "Total");
/* Print surface type counters. */
seq_printf(File, "%-16s %16lld %16lld %16lld\n",
"All-Types",
Database->vidMem.bytes,
Database->vidMem.maxBytes,
Database->vidMem.totalBytes);
for (i = 1; i < gcvSURF_NUM_TYPES; i++)
{
seq_printf(File, "%-16s %16lld %16lld %16lld\n",
surfaceTypes[i],
Database->vidMemType[i].bytes,
Database->vidMemType[i].maxBytes,
Database->vidMemType[i].totalBytes);
}
seq_puts(File, "\n");
/* Print surface pool counters. */
seq_printf(File, "%-16s %16lld %16lld %16lld\n",
"All-Pools",
Database->vidMem.bytes,
Database->vidMem.maxBytes,
Database->vidMem.totalBytes);
for (i = 1; i < gcvPOOL_NUMBER_OF_POOLS; i++)
{
seq_printf(File, "%-16s %16lld %16lld %16lld\n",
poolTypes[i],
Database->vidMemPool[i].bytes,
Database->vidMemPool[i].maxBytes,
Database->vidMemPool[i].totalBytes);
}
seq_puts(File, "\n");
/* Print other counters. */
for (i = 0; i < gcmCOUNTOF(otherCounterNames); i++)
{
seq_printf(File, "%-16s %16lld %16lld %16lld\n",
otherCounterNames[i],
otherCounters[i]->bytes,
otherCounters[i]->maxBytes,
otherCounters[i]->totalBytes);
}
seq_puts(File, "\n");
}
static void
_ShowProcess(
IN struct seq_file *File,
IN gcsDATABASE_PTR Database
)
{
gctINT pid;
char name[24];
/* Process ID and name */
pid = Database->processID;
gcmkVERIFY_OK(gckOS_GetProcessNameByPid(pid, gcmSIZEOF(name), name));
seq_printf(File, "--------------------------------------------------------------------------------\n");
seq_printf(File, "Process: %-8d %s\n", pid, name);
/* Detailed records */
_ShowRecords(File, Database);
seq_printf(File, "Counters:\n");
_ShowCounters(File, Database);
}
static void
_ShowProcesses(
IN struct seq_file * File,
IN gckKERNEL Kernel
)
{
gcsDATABASE_PTR database;
gctINT i;
static gctUINT64 idleTime = 0;
/* Acquire the database mutex. */
gcmkVERIFY_OK(
gckOS_AcquireMutex(Kernel->os, Kernel->db->dbMutex, gcvINFINITE));
if (Kernel->db->idleTime)
{
/* Record idle time if DB upated. */
idleTime = Kernel->db->idleTime;
Kernel->db->idleTime = 0;
}
/* Idle time since last call */
seq_printf(File, "GPU Idle: %llu ns\n", idleTime);
/* Walk the databases. */
for (i = 0; i < gcmCOUNTOF(Kernel->db->db); ++i)
{
for (database = Kernel->db->db[i];
database != gcvNULL;
database = database->next)
{
_ShowProcess(File, database);
}
}
/* Release the database mutex. */
gcmkVERIFY_OK(gckOS_ReleaseMutex(Kernel->os, Kernel->db->dbMutex));
}
static int
gc_db_show(struct seq_file *m, void *data)
{
gcsINFO_NODE *node = m->private;
gckGALDEVICE device = node->device;
gckKERNEL kernel = _GetValidKernel(device);
_ShowProcesses(m, kernel);
return 0 ;
}
static int
gc_version_show(struct seq_file *m, void *data)
{
gcsINFO_NODE *node = m->private;
gckGALDEVICE device = node->device;
gcsPLATFORM * platform = device->platform;
seq_printf(m, "%s built at %s\n", gcvVERSION_STRING, HOST);
if (platform->name)
{
seq_printf(m, "Platform path: %s\n", platform->name);
}
else
{
seq_printf(m, "Code path: %s\n", __FILE__);
}
return 0 ;
}
/*******************************************************************************
**
** Show PM state timer.
**
** Entry is called as 'idle' for compatible reason, it shows more information
** than idle actually.
**
** Start: Start time of this counting period.
** End: End time of this counting peroid.
** On: Time GPU stays in gcvPOWER_0N.
** Off: Time GPU stays in gcvPOWER_0FF.
** Idle: Time GPU stays in gcvPOWER_IDLE.
** Suspend: Time GPU stays in gcvPOWER_SUSPEND.
*/
static int
gc_idle_show(struct seq_file *m, void *data)
{
gcsINFO_NODE *node = m->private;
gckGALDEVICE device = node->device;
gckKERNEL kernel = _GetValidKernel(device);
gctUINT64 start;
gctUINT64 end;
gctUINT64 on;
gctUINT64 off;
gctUINT64 idle;
gctUINT64 suspend;
gckHARDWARE_QueryStateTimer(kernel->hardware, &start, &end, &on, &off, &idle, &suspend);
/* Idle time since last call */
seq_printf(m, "Start: %llu ns\n", start);
seq_printf(m, "End: %llu ns\n", end);
seq_printf(m, "On: %llu ns\n", on);
seq_printf(m, "Off: %llu ns\n", off);
seq_printf(m, "Idle: %llu ns\n", idle);
seq_printf(m, "Suspend: %llu ns\n", suspend);
return 0 ;
}
extern void
_DumpState(
IN gckKERNEL Kernel
);
/*******************************************************************************
**
** Show PM state timer.
**
** Entry is called as 'idle' for compatible reason, it shows more information
** than idle actually.
**
** Start: Start time of this counting period.
** End: End time of this counting peroid.
** On: Time GPU stays in gcvPOWER_0N.
** Off: Time GPU stays in gcvPOWER_0FF.
** Idle: Time GPU stays in gcvPOWER_IDLE.
** Suspend: Time GPU stays in gcvPOWER_SUSPEND.
*/
static int dumpCore = 0;
static int
gc_dump_trigger_show(struct seq_file *m, void *data)
{
#if gcdENABLE_3D || gcdENABLE_2D
gcsINFO_NODE *node = m->private;
gckGALDEVICE device = node->device;
gckKERNEL kernel = gcvNULL;
if (dumpCore >= gcvCORE_MAJOR && dumpCore < gcvCORE_COUNT)
{
kernel = device->kernels[dumpCore];
}
#endif
seq_printf(m, gcdDEBUG_FS_WARN);
#if gcdENABLE_3D || gcdENABLE_2D
seq_printf(m, "Get dump from /proc/kmsg or /sys/kernel/debug/gc/galcore_trace\n");
if (kernel && kernel->hardware->options.powerManagement == gcvFALSE)
{
_DumpState(kernel);
}
#endif
return 0;
}
static int dumpProcess = 0;
static int gc_vidmem_show(struct seq_file *m, void *unused)
{
gceSTATUS status;
gcsDATABASE_PTR database;
gcsINFO_NODE *node = m->private;
gckGALDEVICE device = node->device;
char name[64];
int i;
gckKERNEL kernel = _GetValidKernel(device);
if (dumpProcess == 0)
{
/* Acquire the database mutex. */
gcmkVERIFY_OK(
gckOS_AcquireMutex(kernel->os, kernel->db->dbMutex, gcvINFINITE));
for (i = 0; i < gcmCOUNTOF(kernel->db->db); i++)
{
for (database = kernel->db->db[i];
database != gcvNULL;
database = database->next)
{
gckOS_GetProcessNameByPid(database->processID, gcmSIZEOF(name), name);
seq_printf(m, "VidMem Usage (Process %d: %s):\n", database->processID, name);
_ShowCounters(m, database);
seq_puts(m, "\n");
}
}
/* Release the database mutex. */
gcmkVERIFY_OK(gckOS_ReleaseMutex(kernel->os, kernel->db->dbMutex));
}
else
{
/* Find the database. */
status = gckKERNEL_FindDatabase(kernel, dumpProcess, gcvFALSE, &database);
if (gcmIS_ERROR(status))
{
seq_printf(m, "ERROR: process %d not found\n", dumpProcess);
return 0;
}
gckOS_GetProcessNameByPid(dumpProcess, gcmSIZEOF(name), name);
seq_printf(m, "VidMem Usage (Process %d: %s):\n", dumpProcess, name);
_ShowCounters(m, database);
}
return 0;
}
static inline int strtoint_from_user(const char __user *s,
size_t count, int *res)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,0)
int ret = kstrtoint_from_user(s, count, 10, res);
return ret < 0 ? ret : count;
#else
/* sign, base 2 representation, newline, terminator */
char buf[1 + sizeof(long) * 8 + 1 + 1];
size_t len = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, s, len))
return -EFAULT;
buf[len] = '\0';
*res = (int) simple_strtol(buf, NULL, 0);
return count;
#endif
}
static int gc_vidmem_write(const char __user *buf, size_t count, void* data)
{
return strtoint_from_user(buf, count, &dumpProcess);
}
static int gc_dump_trigger_write(const char __user *buf, size_t count, void* data)
{
return strtoint_from_user(buf, count, &dumpCore);
}
static gcsINFO InfoList[] =
{
{"info", gc_info_show},
{"clients", gc_clients_show},
{"meminfo", gc_meminfo_show},
{"idle", gc_idle_show},
{"database", gc_db_show},
{"version", gc_version_show},
{"vidmem", gc_vidmem_show, gc_vidmem_write},
{"dump_trigger", gc_dump_trigger_show, gc_dump_trigger_write},
};
static gceSTATUS
_DebugfsInit(
IN gckGALDEVICE Device
)
{
gceSTATUS status;
gckDEBUGFS_DIR dir = &Device->debugfsDir;
gcmkONERROR(gckDEBUGFS_DIR_Init(dir, gcvNULL, "gc"));
gcmkONERROR(gckDEBUGFS_DIR_CreateFiles(dir, InfoList, gcmCOUNTOF(InfoList), Device));
return gcvSTATUS_OK;
OnError:
return status;
}
static void
_DebugfsCleanup(
IN gckGALDEVICE Device
)
{
gckDEBUGFS_DIR dir = &Device->debugfsDir;
if (Device->debugfsDir.root)
{
gcmkVERIFY_OK(gckDEBUGFS_DIR_RemoveFiles(dir, InfoList, gcmCOUNTOF(InfoList)));
gckDEBUGFS_DIR_Deinit(dir);
}
}
/******************************************************************************\
*************************** Memory Allocation Wrappers *************************
\******************************************************************************/
static gceSTATUS
_AllocateMemory(
IN gckGALDEVICE Device,
IN gctSIZE_T Bytes,
OUT gctPOINTER *Logical,
OUT gctPHYS_ADDR *Physical,
OUT gctUINT32 *PhysAddr
)
{
gceSTATUS status;
gctPHYS_ADDR_T physAddr;
gcmkHEADER_ARG("Device=0x%x Bytes=%lu", Device, Bytes);
gcmkVERIFY_ARGUMENT(Device != NULL);
gcmkVERIFY_ARGUMENT(Logical != NULL);
gcmkVERIFY_ARGUMENT(Physical != NULL);
gcmkVERIFY_ARGUMENT(PhysAddr != NULL);
gcmkONERROR(gckOS_AllocateContiguous(
Device->os, gcvFALSE, &Bytes, Physical, Logical
));
gcmkONERROR(gckOS_GetPhysicalAddress(
Device->os, *Logical, &physAddr
));
gcmkSAFECASTPHYSADDRT(*PhysAddr, physAddr);
/* Success. */
gcmkFOOTER_ARG(
"*Logical=0x%x *Physical=0x%x *PhysAddr=0x%08x",
*Logical, *Physical, *PhysAddr
);
return gcvSTATUS_OK;
OnError:
gcmkFOOTER();
return status;
}
static gceSTATUS
_FreeMemory(
IN gckGALDEVICE Device,
IN gctPOINTER Logical,
IN gctPHYS_ADDR Physical)
{
gceSTATUS status;
gcmkHEADER_ARG("Device=0x%x Logical=0x%x Physical=0x%x",
Device, Logical, Physical);
gcmkVERIFY_ARGUMENT(Device != NULL);
status = gckOS_FreeContiguous(
Device->os, Physical, Logical,
((PLINUX_MDL) Physical)->numPages * PAGE_SIZE
);
gcmkFOOTER();
return status;
}
static gceSTATUS
_SetupVidMem(
IN gckGALDEVICE Device,
IN gctUINT32 ContiguousBase,
IN gctSIZE_T ContiguousSize,
IN gctSIZE_T BankSize,
IN gcsDEVICE_CONSTRUCT_ARGS * Args
)
{
gceSTATUS status;
gctUINT32 physAddr = ~0U;
gckGALDEVICE device = Device;
/* set up the contiguous memory */
device->contiguousBase = ContiguousBase;
device->contiguousSize = ContiguousSize;
if (ContiguousSize > 0)
{
if (ContiguousBase == 0)
{
while (device->contiguousSize > 0)
{
/* Allocate contiguous memory. */
status = _AllocateMemory(
device,
device->contiguousSize,
&device->contiguousLogical,
&device->contiguousPhysical,
&physAddr
);
if (gcmIS_SUCCESS(status))
{
status = gckVIDMEM_Construct(
device->os,
physAddr | device->systemMemoryBaseAddress,
device->contiguousSize,
64,
BankSize,
&device->contiguousVidMem
);
if (gcmIS_SUCCESS(status))
{
device->contiguousVidMem->physical = device->contiguousPhysical;
device->contiguousBase = physAddr;
break;
}
gcmkONERROR(_FreeMemory(
device,
device->contiguousLogical,
device->contiguousPhysical
));
device->contiguousLogical = gcvNULL;
device->contiguousPhysical = gcvNULL;
}
if (device->contiguousSize <= (4 << 20))
{
device->contiguousSize = 0;
}
else
{
device->contiguousSize -= (4 << 20);
}
}
}
else
{
/* Create the contiguous memory heap. */
status = gckVIDMEM_Construct(
device->os,
ContiguousBase | device->systemMemoryBaseAddress,
ContiguousSize,
64, BankSize,
&device->contiguousVidMem
);
if (gcmIS_ERROR(status))
{
/* Error, disable contiguous memory pool. */
device->contiguousVidMem = gcvNULL;
device->contiguousSize = 0;
}
else
{
gcmkONERROR(gckOS_RequestReservedMemory(
device->os, ContiguousBase, ContiguousSize,
"galcore contiguous memory",
Args->contiguousRequested,
&device->contiguousPhysical
));
device->contiguousVidMem->physical = device->contiguousPhysical;
device->requestedContiguousBase = ContiguousBase;
device->requestedContiguousSize = ContiguousSize;
device->contiguousPhysicalName = 0;
device->contiguousSize = ContiguousSize;
}
}
}
return gcvSTATUS_OK;
OnError:
return status;
}
void
_SetupRegisterPhysical(
IN gckGALDEVICE Device,
IN gcsDEVICE_CONSTRUCT_ARGS * Args
)
{
gctINT *irqs = Args->irqs;
gctUINT *registerBases = Args->registerBases;
gctUINT *registerSizes = Args->registerSizes;
gctINT i = 0;
for (i = 0; i < gcvCORE_COUNT; i++)
{
if (irqs[i] != -1)
{
Device->requestedRegisterMemBases[i] = registerBases[i];
Device->requestedRegisterMemSizes[i] = registerSizes[i];
gcmkTRACE_ZONE(gcvLEVEL_INFO, _GC_OBJ_ZONE,
"Get register base %llx of core %d",
registerBases[i], i);
}
}
}
/******************************************************************************\
******************************* Interrupt Handler ******************************
\******************************************************************************/
static irqreturn_t isrRoutine(int irq, void *ctxt)
{
gceSTATUS status;
gckGALDEVICE device;
gceCORE core = (gceCORE)gcmPTR2INT32(ctxt) - 1;
device = galDevice;
/* Call kernel interrupt notification. */
status = gckKERNEL_Notify(device->kernels[core], gcvNOTIFY_INTERRUPT, gcvTRUE);
if (gcmIS_SUCCESS(status))
{
up(&device->semas[core]);
return IRQ_HANDLED;
}
return IRQ_NONE;
}
static int threadRoutine(void *ctxt)
{
gckGALDEVICE device = galDevice;
gceCORE core = (gceCORE) gcmPTR2INT32(ctxt);
gctUINT i;
gcmkTRACE_ZONE(gcvLEVEL_INFO, gcvZONE_DRIVER,
"Starting isr Thread with extension=%p",
device);
if (core != gcvCORE_VG)
{
/* Make kernel update page table of this thread to include entry related to command buffer.*/
for (i = 0; i < gcdCOMMAND_QUEUES; i++)
{
gctUINT32 data = *(gctUINT32_PTR)device->kernels[core]->command->queues[i].logical;
data = 0;
}
}
for (;;)
{
static int down;
down = down_interruptible(&device->semas[core]);
if (down); /*To make gcc 4.6 happye*/
if (device->killThread == gcvTRUE)
{
/* The daemon exits. */
while (!kthread_should_stop())
{
gckOS_Delay(device->os, 1);
}
return 0;
}
gckKERNEL_Notify(device->kernels[core],
gcvNOTIFY_INTERRUPT,
gcvFALSE);
}
}
static irqreturn_t isrRoutineVG(int irq, void *ctxt)
{
#if gcdENABLE_VG
gceSTATUS status;
gckGALDEVICE device;
device = (gckGALDEVICE) ctxt;
/* Serve the interrupt. */
status = gckVGINTERRUPT_Enque(device->kernels[gcvCORE_VG]->vg->interrupt);
/* Determine the return value. */
return (status == gcvSTATUS_NOT_OUR_INTERRUPT)
? IRQ_RETVAL(0)
: IRQ_RETVAL(1);
#else
return IRQ_NONE;
#endif
}
/******************************************************************************\
******************************* gckGALDEVICE Code ******************************
\******************************************************************************/
static gceSTATUS
_StartThread(
IN int (*ThreadRoutine)(void *data),
IN gceCORE Core
)
{
gceSTATUS status;
gckGALDEVICE device = galDevice;
struct task_struct * task;
if (device->kernels[Core] != gcvNULL)
{
/* Start the kernel thread. */
task = kthread_run(ThreadRoutine, (void *)Core, "galcore deamon thread for core[%d]", Core);
if (IS_ERR(task))
{
gcmkTRACE_ZONE(
gcvLEVEL_ERROR, gcvZONE_DRIVER,
"%s(%d): Could not start the kernel thread.\n",
__FUNCTION__, __LINE__
);
gcmkONERROR(gcvSTATUS_GENERIC_IO);
}
device->threadCtxts[Core] = task;
device->threadInitializeds[Core] = gcvTRUE;
}
else
{
device->threadInitializeds[Core] = gcvFALSE;
}
return gcvSTATUS_OK;
OnError:
return status;
}
/*******************************************************************************
**
** gckGALDEVICE_Construct
**
** Constructor.
**
** INPUT:
**
** OUTPUT:
**
** gckGALDEVICE * Device
** Pointer to a variable receiving the gckGALDEVICE object pointer on
** success.
*/
gceSTATUS
gckGALDEVICE_Construct(
IN gctINT IrqLine,
IN gctUINT32 RegisterMemBase,
IN gctSIZE_T RegisterMemSize,
IN gctINT IrqLine2D,
IN gctUINT32 RegisterMemBase2D,
IN gctSIZE_T RegisterMemSize2D,
IN gctINT IrqLineVG,
IN gctUINT32 RegisterMemBaseVG,
IN gctSIZE_T RegisterMemSizeVG,
IN gctUINT32 ContiguousBase,
IN gctSIZE_T ContiguousSize,
IN gctUINT32 ExternalBase,
IN gctSIZE_T ExternalSize,
IN gctSIZE_T BankSize,
IN gctINT FastClear,
IN gctINT Compression,
IN gctUINT32 PhysBaseAddr,
IN gctUINT32 PhysSize,
IN gctINT Signal,
IN gctUINT LogFileSize,
IN gctINT PowerManagement,
IN gctINT GpuProfiler,
IN gcsDEVICE_CONSTRUCT_ARGS * Args,
OUT gckGALDEVICE *Device
)
{
gctUINT32 internalBaseAddress = 0, internalAlignment = 0;
gctUINT32 externalAlignment = 0;
gctUINT32 physical;
gckGALDEVICE device;
gceSTATUS status;
gctINT32 i;
gceHARDWARE_TYPE type;
gckKERNEL kernel = gcvNULL;
gcmkHEADER_ARG("IrqLine=%d RegisterMemBase=0x%08x RegisterMemSize=%u "
"IrqLine2D=%d RegisterMemBase2D=0x%08x RegisterMemSize2D=%u "
"IrqLineVG=%d RegisterMemBaseVG=0x%08x RegisterMemSizeVG=%u "
"ContiguousBase=0x%08x ContiguousSize=%lu BankSize=%lu "
"FastClear=%d Compression=%d PhysBaseAddr=0x%x PhysSize=%d Signal=%d",
IrqLine, RegisterMemBase, RegisterMemSize,
IrqLine2D, RegisterMemBase2D, RegisterMemSize2D,
IrqLineVG, RegisterMemBaseVG, RegisterMemSizeVG,
ContiguousBase, ContiguousSize, BankSize, FastClear, Compression,
PhysBaseAddr, PhysSize, Signal);
#if !gcdENABLE_3D
IrqLine = -1;
#endif
#if !gcdENABLE_2D
IrqLine2D = -1;
#endif
/* Allocate device structure. */
device = kmalloc(sizeof(struct _gckGALDEVICE), GFP_KERNEL | __GFP_NOWARN);
if (!device)
{
gcmkONERROR(gcvSTATUS_OUT_OF_MEMORY);
}
memset(device, 0, sizeof(struct _gckGALDEVICE));
device->dbgNode = gcvNULL;
device->platform = Args->platform;
device->args = *Args;
/* set up the contiguous memory */
device->contiguousSize = ContiguousSize;
/* Clear irq lines. */
for (i = 0; i < gcdMAX_GPU_COUNT; i++)
{
device->irqLines[i] = -1;
}
gcmkONERROR(_DebugfsInit(device));
if (gckDEBUGFS_CreateNode(
device, LogFileSize, device->debugfsDir.root ,DEBUG_FILE, &(device->dbgNode)))
{
gcmkTRACE_ZONE(
gcvLEVEL_ERROR, gcvZONE_DRIVER,
"%s(%d): Failed to create the debug file system %s/%s \n",
__FUNCTION__, __LINE__,
PARENT_FILE, DEBUG_FILE
);
}
else if (LogFileSize)
{
gckDEBUGFS_SetCurrentNode(device->dbgNode);
}
_SetupRegisterPhysical(device, Args);
if (IrqLine != -1)
{
device->requestedRegisterMemBases[gcvCORE_MAJOR] = RegisterMemBase;
device->requestedRegisterMemSizes[gcvCORE_MAJOR] = RegisterMemSize;
}
if (IrqLine2D != -1)
{
device->requestedRegisterMemBases[gcvCORE_2D] = RegisterMemBase2D;
device->requestedRegisterMemSizes[gcvCORE_2D] = RegisterMemSize2D;
}
if (IrqLineVG != -1)
{
device->requestedRegisterMemBases[gcvCORE_VG] = RegisterMemBaseVG;
device->requestedRegisterMemSizes[gcvCORE_VG] = RegisterMemSizeVG;
}
#if gcdDEC_ENABLE_AHB
{
device->requestedRegisterMemBases[gcvCORE_DEC] = Args->registerMemBaseDEC300;
device->requestedRegisterMemSizes[gcvCORE_DEC] = Args->registerMemSizeDEC300;
}
#endif
for (i = gcvCORE_MAJOR; i < gcvCORE_COUNT; i++)
{
if (Args->irqs[i] != -1)
{
device->requestedRegisterMemBases[i] = Args->registerBases[i];
device->requestedRegisterMemSizes[i] = Args->registerSizes[i];
gcmkTRACE_ZONE(gcvLEVEL_INFO, gcvZONE_DEVICE,
"%s(%d): Core = %d, RegiseterBase = %x",
__FUNCTION__, __LINE__,
i, Args->registerBases[i]
);
}
}
/* Initialize the ISR. */
device->irqLines[gcvCORE_MAJOR] = IrqLine;
device->irqLines[gcvCORE_2D] = IrqLine2D;
device->irqLines[gcvCORE_VG] = IrqLineVG;
for (i = gcvCORE_MAJOR; i < gcvCORE_COUNT; i++)
{
if (Args->irqs[i] != -1)
{
device->irqLines[i] = Args->irqs[i];
}
}
device->requestedContiguousBase = 0;
device->requestedContiguousSize = 0;
for (i = 0; i < gcdMAX_GPU_COUNT; i++)
{
physical = device->requestedRegisterMemBases[i];
/* Set up register memory region. */
if (physical != 0)
{
if (Args->registerMemMapped)
{
device->registerBases[i] = Args->registerMemAddress;
device->requestedRegisterMemBases[i] = 0;
}
else
{
#if USE_LINUX_PCIE
device->registerBases[i] = (gctPOINTER) pci_iomap(device->platform->device, 1,
device->requestedRegisterMemSizes[i]);
#else
if (!request_mem_region(physical, device->requestedRegisterMemSizes[i], "galcore register region"))
{
gcmkTRACE_ZONE(
gcvLEVEL_ERROR, gcvZONE_DRIVER,
"%s(%d): Failed to claim %lu bytes @ 0x%zx\n",
__FUNCTION__, __LINE__,
physical, device->requestedRegisterMemSizes[i]
);
gcmkONERROR(gcvSTATUS_OUT_OF_RESOURCES);
}
device->registerBases[i] = (gctPOINTER)ioremap_nocache(
physical, device->requestedRegisterMemSizes[i]);
#endif
if (device->registerBases[i] == gcvNULL)
{
gcmkTRACE_ZONE(
gcvLEVEL_ERROR, gcvZONE_DRIVER,
"%s(%d): Unable to map %ld bytes @ 0x%08X\n",
__FUNCTION__, __LINE__,
physical, device->requestedRegisterMemSizes[i]
);
gcmkONERROR(gcvSTATUS_OUT_OF_RESOURCES);
}
}
physical += device->requestedRegisterMemSizes[i];
}
}
/* Set the base address */
device->baseAddress = device->physBase = PhysBaseAddr;
device->physSize = PhysSize;
/* Construct the gckOS object. */
gcmkONERROR(gckOS_Construct(device, &device->os));
/* Construct the gckDEVICE object for os independent core management. */
gcmkONERROR(gckDEVICE_Construct(device->os, &device->device));
if (device->irqLines[gcvCORE_MAJOR] != -1)
{
gcmkONERROR(gctaOS_ConstructOS(device->os, &device->taos));
}
gcmkONERROR(_SetupVidMem(device, ContiguousBase, ContiguousSize, BankSize, Args));
/* Set external base and size */
device->externalBase = ExternalBase;
device->externalSize = ExternalSize;
if (device->irqLines[gcvCORE_MAJOR] != -1)
{
gcmkONERROR(gcTA_Construct(device->taos, gcvCORE_MAJOR, &globalTA[gcvCORE_MAJOR]));
gcmkONERROR(gckDEVICE_AddCore(device->device, gcvCORE_MAJOR, Args->chipIDs[gcvCORE_MAJOR], device, &device->kernels[gcvCORE_MAJOR]));
gcmkONERROR(gckHARDWARE_SetFastClear(
device->kernels[gcvCORE_MAJOR]->hardware, FastClear, Compression
));
gcmkONERROR(gckHARDWARE_SetPowerManagement(
device->kernels[gcvCORE_MAJOR]->hardware, PowerManagement
));
#if gcdENABLE_FSCALE_VAL_ADJUST
gcmkONERROR(gckHARDWARE_SetMinFscaleValue(
device->kernels[gcvCORE_MAJOR]->hardware, Args->gpu3DMinClock
));
#endif
gcmkONERROR(gckHARDWARE_SetGpuProfiler(
device->kernels[gcvCORE_MAJOR]->hardware, GpuProfiler
));
}
else
{
device->kernels[gcvCORE_MAJOR] = gcvNULL;
}
if (device->irqLines[gcvCORE_2D] != -1)
{
gcmkONERROR(gckDEVICE_AddCore(device->device, gcvCORE_2D, gcvCHIP_ID_DEFAULT, device, &device->kernels[gcvCORE_2D]));
/* Verify the hardware type */
gcmkONERROR(gckHARDWARE_GetType(device->kernels[gcvCORE_2D]->hardware, &type));
if (type != gcvHARDWARE_2D)
{
gcmkTRACE_ZONE(
gcvLEVEL_ERROR, gcvZONE_DRIVER,
"%s(%d): Unexpected hardware type: %d\n",
__FUNCTION__, __LINE__,
type
);
gcmkONERROR(gcvSTATUS_INVALID_ARGUMENT);
}
gcmkONERROR(gckHARDWARE_SetPowerManagement(
device->kernels[gcvCORE_2D]->hardware, PowerManagement
));
#if gcdENABLE_FSCALE_VAL_ADJUST
gcmkONERROR(gckHARDWARE_SetMinFscaleValue(
device->kernels[gcvCORE_2D]->hardware, 1
));
#endif
}
else
{
device->kernels[gcvCORE_2D] = gcvNULL;
}
if (device->irqLines[gcvCORE_VG] != -1)
{
#if gcdENABLE_VG
gcmkONERROR(gckDEVICE_AddCore(device->device, gcvCORE_VG, gcvCHIP_ID_DEFAULT, device, &device->kernels[gcvCORE_VG]));
gcmkONERROR(gckVGHARDWARE_SetPowerManagement(
device->kernels[gcvCORE_VG]->vg->hardware,
PowerManagement
));
#endif
}
else
{
device->kernels[gcvCORE_VG] = gcvNULL;
}
/* Add core for multiple core. */
for (i = gcvCORE_3D1; i <= gcvCORE_3D_MAX; i++)
{
if (Args->irqs[i] != -1)
{
gcmkONERROR(gcTA_Construct(device->taos, (gceCORE)i, &globalTA[i]));
gckDEVICE_AddCore(device->device, i, Args->chipIDs[i], device, &device->kernels[i]);
gcmkONERROR(
gckHARDWARE_SetFastClear(device->kernels[i]->hardware,
FastClear,
Compression));
gcmkONERROR(gckHARDWARE_SetPowerManagement(
device->kernels[i]->hardware, PowerManagement
));
gcmkONERROR(gckHARDWARE_SetGpuProfiler(
device->kernels[i]->hardware, GpuProfiler
));
}
}
/* Initialize the kernel thread semaphores. */
for (i = 0; i < gcdMAX_GPU_COUNT; i++)
{
if (device->irqLines[i] != -1) sema_init(&device->semas[i], 0);
}
device->signal = Signal;
for (i = 0; i < gcdMAX_GPU_COUNT; i++)
{
if (device->kernels[i] != gcvNULL) break;
}
if (i == gcdMAX_GPU_COUNT)
{
gcmkONERROR(gcvSTATUS_INVALID_ARGUMENT);
}
#if gcdENABLE_VG
if (i == gcvCORE_VG)
{
/* Query the ceiling of the system memory. */
gcmkONERROR(gckVGHARDWARE_QuerySystemMemory(
device->kernels[i]->vg->hardware,
&device->systemMemorySize,
&device->systemMemoryBaseAddress
));
}
else
#endif
{
/* Query the ceiling of the system memory. */
gcmkONERROR(gckHARDWARE_QuerySystemMemory(
device->kernels[i]->hardware,
&device->systemMemorySize,
&device->systemMemoryBaseAddress
));
}
/* Grab the first availiable kernel */
for (i = 0; i < gcdMAX_GPU_COUNT; i++)
{
if (device->irqLines[i] != -1)
{
kernel = device->kernels[i];
break;
}
}
/* Set up the internal memory region. */
if (device->internalSize > 0)
{
status = gckVIDMEM_Construct(
device->os,
internalBaseAddress, device->internalSize, internalAlignment,
0, &device->internalVidMem
);
if (gcmIS_ERROR(status))
{
/* Error, disable internal heap. */
device->internalSize = 0;
}
else
{
/* Map internal memory. */
device->internalLogical
= (gctPOINTER) ioremap_nocache(physical, device->internalSize);
if (device->internalLogical == gcvNULL)
{
gcmkONERROR(gcvSTATUS_OUT_OF_RESOURCES);
}
device->internalPhysical = (gctPHYS_ADDR)(gctUINTPTR_T) physical;
physical += device->internalSize;
}
}
if (device->externalSize > 0)
{
/* create the external memory heap */
status = gckVIDMEM_Construct(
device->os,
device->externalBase, device->externalSize, externalAlignment,
0, &device->externalVidMem
);
if (gcmIS_ERROR(status))
{
/* Error, disable external heap. */
device->externalSize = 0;
}
else
{
/* Map external memory. */
gcmkONERROR(gckOS_RequestReservedMemory(
device->os,
device->externalBase, device->externalSize,
"galcore external memory",
gcvTRUE,
&device->externalPhysical
));
device->externalVidMem->physical = device->externalPhysical;
}
}
if (device->internalPhysical)
{
device->internalPhysicalName = gcmPTR_TO_NAME(device->internalPhysical);
}
if (device->externalPhysical)
{
device->externalPhysicalName = gcmPTR_TO_NAME(device->externalPhysical);
}
if (device->contiguousPhysical)
{
device->contiguousPhysicalName = gcmPTR_TO_NAME(device->contiguousPhysical);
}
/* Return pointer to the device. */
*Device = galDevice = device;
gcmkFOOTER_ARG("*Device=0x%x", * Device);
return gcvSTATUS_OK;
OnError:
/* Roll back. */
gcmkVERIFY_OK(gckGALDEVICE_Destroy(device));
gcmkFOOTER();
return status;
}
/*******************************************************************************
**
** gckGALDEVICE_Destroy
**
** Class destructor.
**
** INPUT:
**
** Nothing.
**
** OUTPUT:
**
** Nothing.
**
** RETURNS:
**
** Nothing.
*/
gceSTATUS
gckGALDEVICE_Destroy(
gckGALDEVICE Device)
{
gctINT i;
gckKERNEL kernel = gcvNULL;
gcmkHEADER_ARG("Device=0x%x", Device);
if (Device != gcvNULL)
{
/* Grab the first availiable kernel */
for (i = 0; i < gcdMAX_GPU_COUNT; i++)
{
if (Device->irqLines[i] != -1)
{
kernel = Device->kernels[i];
break;
}
}
if (Device->internalPhysicalName != 0)
{
gcmRELEASE_NAME(Device->internalPhysicalName);
Device->internalPhysicalName = 0;
}
if (Device->externalPhysicalName != 0)
{
gcmRELEASE_NAME(Device->externalPhysicalName);
Device->externalPhysicalName = 0;
}
if (Device->contiguousPhysicalName != 0)
{
gcmRELEASE_NAME(Device->contiguousPhysicalName);
Device->contiguousPhysicalName = 0;
}
for (i = 0; i < gcdMAX_GPU_COUNT; i++)
{
if (Device->kernels[i] != gcvNULL)
{
Device->kernels[i] = gcvNULL;
}
}
if (Device->internalLogical != gcvNULL)
{
/* Unmap the internal memory. */
iounmap(Device->internalLogical);
Device->internalLogical = gcvNULL;
}
if (Device->internalVidMem != gcvNULL)
{
/* Destroy the internal heap. */
gcmkVERIFY_OK(gckVIDMEM_Destroy(Device->internalVidMem));
Device->internalVidMem = gcvNULL;
}
if (Device->externalPhysical != gcvNULL)
{
gckOS_ReleaseReservedMemory(
Device->os,
Device->externalPhysical
);
}
if (Device->externalLogical != gcvNULL)
{
Device->externalLogical = gcvNULL;
}
if (Device->externalVidMem != gcvNULL)
{
/* destroy the external heap */
gcmkVERIFY_OK(gckVIDMEM_Destroy(Device->externalVidMem));
Device->externalVidMem = gcvNULL;
}
if (Device->contiguousPhysical != gcvNULL)
{
if (Device->requestedContiguousBase == 0)
{
gcmkVERIFY_OK(_FreeMemory(
Device,
Device->contiguousLogical,
Device->contiguousPhysical
));
}
else
{
gckOS_ReleaseReservedMemory(
Device->os,
Device->contiguousPhysical
);
Device->requestedContiguousBase = 0;
Device->requestedContiguousSize = 0;
}
Device->contiguousLogical = gcvNULL;
Device->contiguousPhysical = gcvNULL;
}
if (Device->contiguousVidMem != gcvNULL)
{
/* Destroy the contiguous heap. */
gcmkVERIFY_OK(gckVIDMEM_Destroy(Device->contiguousVidMem));
Device->contiguousVidMem = gcvNULL;
}
for (i = 0; i < gcdMAX_GPU_COUNT; i++)
{
if (Device->registerBases[i])
{
/* Unmap register memory. */
if (Device->requestedRegisterMemBases[i] != 0)
{
#if USE_LINUX_PCIE
pci_iounmap(Device->platform->device, Device->registerBases[i]);
#else
iounmap(Device->registerBases[i]);
release_mem_region(Device->requestedRegisterMemBases[i],
Device->requestedRegisterMemSizes[i]);
#endif
}
Device->registerBases[i] = gcvNULL;
Device->requestedRegisterMemBases[i] = 0;
Device->requestedRegisterMemSizes[i] = 0;
}
}
if (Device->device)
{
gcmkVERIFY_OK(gckDEVICE_Destroy(Device->os, Device->device));
for (i = 0; i < gcdMAX_GPU_COUNT; i++)
{
if (globalTA[i])
{
gcTA_Destroy(globalTA[i]);
globalTA[i] = gcvNULL;
}
}
Device->device = gcvNULL;
}
if (Device->taos)
{
gcmkVERIFY_OK(gctaOS_DestroyOS(Device->taos));
Device->taos = gcvNULL;
}
/* Destroy the gckOS object. */
if (Device->os != gcvNULL)
{
gcmkVERIFY_OK(gckOS_Destroy(Device->os));
Device->os = gcvNULL;
}
if (Device->dbgNode)
{
gckDEBUGFS_FreeNode(Device->dbgNode);
if(Device->dbgNode != gcvNULL)
{
kfree(Device->dbgNode);
Device->dbgNode = gcvNULL;
}
}
_DebugfsCleanup(Device);
/* Free the device. */
kfree(Device);
}
gcmkFOOTER_NO();
return gcvSTATUS_OK;
}
static const char *isrNames[] =
{
"galcore:0",
"galcore:3d-1",
"galcore:3d-2",
"galcore:3d-3",
"galcore:3d-4",
"galcore:3d-5",
"galcore:3d-6",
"galcore:3d-7",
"galcore:2d",
"galcore:vg",
#if gcdDEC_ENABLE_AHB
"galcore:dec"
#endif
};
/*******************************************************************************
**
** gckGALDEVICE_Setup_ISR
**
** Start the ISR routine.
**
** INPUT:
**
** gckGALDEVICE Device
** Pointer to an gckGALDEVICE object.
**
** OUTPUT:
**
** Nothing.
**
** RETURNS:
**
** gcvSTATUS_OK
** Setup successfully.
** gcvSTATUS_GENERIC_IO
** Setup failed.
*/
gceSTATUS
gckGALDEVICE_Setup_ISR(
IN gceCORE Core
)
{
gceSTATUS status;
gctINT ret = 0;
gckGALDEVICE Device = galDevice;
gcmkHEADER_ARG("Device=0x%x Core=%d", Device, Core);
gcmkVERIFY_ARGUMENT(Device != NULL);
if (Device->irqLines[Core] < 0)
{
gcmkONERROR(gcvSTATUS_GENERIC_IO);
}
#if defined(__GNUC__) && ((__GNUC__ == 4 && __GNUC_MINOR__ >= 6) || (__GNUC__ > 4))
{
_Static_assert(gcvCORE_COUNT == gcmCOUNTOF(isrNames),
"Core count is lager than isrNames size");
}
#endif
/* Hook up the isr based on the irq line. */
ret = request_irq(
Device->irqLines[Core], isrRoutine, gcdIRQF_FLAG,
isrNames[Core], (void *)(uintptr_t)(Core + 1)
);
if (ret != 0)
{
gcmkTRACE_ZONE(
gcvLEVEL_ERROR, gcvZONE_DRIVER,
"%s(%d): Could not register irq line %d (error=%d)\n",
__FUNCTION__, __LINE__,
Device->irqLines[Core], ret
);
gcmkONERROR(gcvSTATUS_GENERIC_IO);
}
/* Mark ISR as initialized. */
Device->isrInitializeds[Core] = gcvTRUE;
gcmkFOOTER_NO();
return gcvSTATUS_OK;
OnError:
gcmkFOOTER();
return status;
}
gceSTATUS
gckGALDEVICE_Setup_ISR_VG(
IN gckGALDEVICE Device
)
{
gceSTATUS status;
gctINT ret;
gcmkHEADER_ARG("Device=0x%x", Device);
gcmkVERIFY_ARGUMENT(Device != NULL);
if (Device->irqLines[gcvCORE_VG] < 0)
{
gcmkONERROR(gcvSTATUS_GENERIC_IO);
}
/* Hook up the isr based on the irq line. */
ret = request_irq(
Device->irqLines[gcvCORE_VG], isrRoutineVG, gcdIRQF_FLAG,
isrNames[gcvCORE_VG], Device
);
if (ret != 0)
{
gcmkTRACE_ZONE(
gcvLEVEL_ERROR, gcvZONE_DRIVER,
"%s(%d): Could not register irq line %d (error=%d)\n",
__FUNCTION__, __LINE__,
Device->irqLines[gcvCORE_VG], ret
);
gcmkONERROR(gcvSTATUS_GENERIC_IO);
}
/* Mark ISR as initialized. */
Device->isrInitializeds[gcvCORE_VG] = gcvTRUE;
gcmkFOOTER_NO();
return gcvSTATUS_OK;
OnError:
gcmkFOOTER();
return status;
}
/*******************************************************************************
**
** gckGALDEVICE_Release_ISR
**
** Release the irq line.
**
** INPUT:
**
** gckGALDEVICE Device
** Pointer to an gckGALDEVICE object.
**
** OUTPUT:
**
** Nothing.
**
** RETURNS:
**
** Nothing.
*/
gceSTATUS
gckGALDEVICE_Release_ISR(
IN gceCORE Core
)
{
gckGALDEVICE Device = galDevice;
gcmkHEADER_ARG("Device=0x%x", Device);
gcmkVERIFY_ARGUMENT(Device != NULL);
/* release the irq */
if (Device->isrInitializeds[Core])
{
free_irq(Device->irqLines[Core], (void *)(uintptr_t)(Core + 1));
Device->isrInitializeds[Core] = gcvFALSE;
}
gcmkFOOTER_NO();
return gcvSTATUS_OK;
}
gceSTATUS
gckGALDEVICE_Release_ISR_VG(
IN gckGALDEVICE Device
)
{
gcmkHEADER_ARG("Device=0x%x", Device);
gcmkVERIFY_ARGUMENT(Device != NULL);
/* release the irq */
if (Device->isrInitializeds[gcvCORE_VG])
{
free_irq(Device->irqLines[gcvCORE_VG], Device);
Device->isrInitializeds[gcvCORE_VG] = gcvFALSE;
}
gcmkFOOTER_NO();
return gcvSTATUS_OK;
}
/*******************************************************************************
**
** gckGALDEVICE_Start_Threads
**
** Start the daemon threads.
**
** INPUT:
**
** gckGALDEVICE Device
** Pointer to an gckGALDEVICE object.
**
** OUTPUT:
**
** Nothing.
**
** RETURNS:
**
** gcvSTATUS_OK
** Start successfully.
** gcvSTATUS_GENERIC_IO
** Start failed.
*/
gceSTATUS
gckGALDEVICE_Start_Threads(
IN gckGALDEVICE Device
)
{
gceSTATUS status;
gctUINT i;
gcmkHEADER_ARG("Device=0x%x", Device);
gcmkVERIFY_ARGUMENT(Device != NULL);
gcmkONERROR(_StartThread(threadRoutine, gcvCORE_MAJOR));
gcmkONERROR(_StartThread(threadRoutine, gcvCORE_2D));
gcmkONERROR(_StartThread(threadRoutine, gcvCORE_VG));
for (i = gcvCORE_3D1; i <= gcvCORE_3D_MAX; i++)
{
gcmkONERROR(_StartThread(threadRoutine, i));
}
gcmkFOOTER_NO();
return gcvSTATUS_OK;
OnError:
gcmkFOOTER();
return status;
}
/*******************************************************************************
**
** gckGALDEVICE_Stop_Threads
**
** Stop the gal device, including the following actions: stop the daemon
** thread, release the irq.
**
** INPUT:
**
** gckGALDEVICE Device
** Pointer to an gckGALDEVICE object.
**
** OUTPUT:
**
** Nothing.
**
** RETURNS:
**
** Nothing.
*/
gceSTATUS
gckGALDEVICE_Stop_Threads(
gckGALDEVICE Device
)
{
gctINT i;
gcmkHEADER_ARG("Device=0x%x", Device);
gcmkVERIFY_ARGUMENT(Device != NULL);
for (i = 0; i < gcdMAX_GPU_COUNT; i++)
{
/* Stop the kernel threads. */
if (Device->threadInitializeds[i])
{
Device->killThread = gcvTRUE;
up(&Device->semas[i]);
kthread_stop(Device->threadCtxts[i]);
Device->threadCtxts[i] = gcvNULL;
Device->threadInitializeds[i] = gcvFALSE;
}
}
gcmkFOOTER_NO();
return gcvSTATUS_OK;
}
/*******************************************************************************
**
** gckGALDEVICE_Start
**
** Start the gal device, including the following actions: setup the isr routine
** and start the daemoni thread.
**
** INPUT:
**
** gckGALDEVICE Device
** Pointer to an gckGALDEVICE object.
**
** OUTPUT:
**
** Nothing.
**
** RETURNS:
**
** gcvSTATUS_OK
** Start successfully.
*/
gceSTATUS
gckGALDEVICE_Start(
IN gckGALDEVICE Device
)
{
gceSTATUS status;
gctUINT i;
gcmkHEADER_ARG("Device=0x%x", Device);
/* Start the kernel thread. */
gcmkONERROR(gckGALDEVICE_Start_Threads(Device));
for (i = 0; i < gcvCORE_COUNT; i++)
{
if (i == gcvCORE_VG)
{
continue;
}
if (Device->kernels[i] != gcvNULL)
{
/* Setup the ISR routine. */
gcmkONERROR(gckGALDEVICE_Setup_ISR(i));
/* Switch to SUSPEND power state. */
gcmkONERROR(gckHARDWARE_SetPowerManagementState(
Device->kernels[i]->hardware, gcvPOWER_OFF_BROADCAST
));
}
}
if (Device->kernels[gcvCORE_VG] != gcvNULL)
{
/* Setup the ISR routine. */
gcmkONERROR(gckGALDEVICE_Setup_ISR_VG(Device));
#if gcdENABLE_VG
/* Switch to SUSPEND power state. */
gcmkONERROR(gckVGHARDWARE_SetPowerManagementState(
Device->kernels[gcvCORE_VG]->vg->hardware, gcvPOWER_OFF_BROADCAST
));
#endif
}
gcmkFOOTER_NO();
return gcvSTATUS_OK;
OnError:
gcmkFOOTER();
return status;
}
/*******************************************************************************
**
** gckGALDEVICE_Stop
**
** Stop the gal device, including the following actions: stop the daemon
** thread, release the irq.
**
** INPUT:
**
** gckGALDEVICE Device
** Pointer to an gckGALDEVICE object.
**
** OUTPUT:
**
** Nothing.
**
** RETURNS:
**
** Nothing.
*/
gceSTATUS
gckGALDEVICE_Stop(
gckGALDEVICE Device
)
{
gceSTATUS status;
gctUINT i;
gcmkHEADER_ARG("Device=0x%x", Device);
gcmkVERIFY_ARGUMENT(Device != NULL);
for (i = 0; i < gcvCORE_COUNT; i++)
{
if (i == gcvCORE_VG)
{
continue;
}
if (Device->kernels[i] != gcvNULL)
{
gcmkONERROR(gckHARDWARE_SetPowerManagement(
Device->kernels[i]->hardware, gcvTRUE
));
/* Switch to OFF power state. */
gcmkONERROR(gckHARDWARE_SetPowerManagementState(
Device->kernels[i]->hardware, gcvPOWER_OFF
));
/* Remove the ISR routine. */
gcmkONERROR(gckGALDEVICE_Release_ISR(i));
}
}
if (Device->kernels[gcvCORE_VG] != gcvNULL)
{
/* Setup the ISR routine. */
gcmkONERROR(gckGALDEVICE_Release_ISR_VG(Device));
#if gcdENABLE_VG
/* Switch to OFF power state. */
gcmkONERROR(gckVGHARDWARE_SetPowerManagementState(
Device->kernels[gcvCORE_VG]->vg->hardware, gcvPOWER_OFF
));
#endif
}
/* Stop the kernel thread. */
gcmkONERROR(gckGALDEVICE_Stop_Threads(Device));
gcmkFOOTER_NO();
return gcvSTATUS_OK;
OnError:
gcmkFOOTER();
return status;
}
/*******************************************************************************
**
** gckGALDEVICE_AddCore
**
** Add a core after gckGALDevice is constructed.
**
** INPUT:
**
** OUTPUT:
**
*/
gceSTATUS
gckGALDEVICE_AddCore(
IN gckGALDEVICE Device,
IN gcsDEVICE_CONSTRUCT_ARGS * Args
)
{
gceSTATUS status;
gceCORE core = gcvCORE_COUNT;
gctUINT i = 0;
gcmkHEADER();
gcmkVERIFY_ARGUMENT(Device != gcvNULL);
/* Find which core is added. */
for (i = 0; i < gcvCORE_COUNT; i++)
{
if (Args->irqs[i] != -1)
{
core = i;
break;
}
}
if (i == gcvCORE_COUNT)
{
gcmkPRINT("[galcore]: No valid core information found");
gcmkONERROR(gcvSTATUS_INVALID_ARGUMENT);
}
gcmkPRINT("[galcore]: add core[%d]", core);
/* Record irq, registerBase, registerSize. */
Device->irqLines[core] = Args->irqs[core];
_SetupRegisterPhysical(Device, Args);
/* Map register memory.*/
/* Add a platform indepedent framework. */
gcmkONERROR(gckDEVICE_AddCore(
Device->device,
core,
Args->chipIDs[core],
Device,
&Device->kernels[core]
));
/* Start thread routine. */
_StartThread(threadRoutine, core);
/* Register ISR. */
gckGALDEVICE_Setup_ISR(core);
/* Set default power management state. */
gcmkONERROR(gckHARDWARE_SetPowerManagementState(
Device->kernels[core]->hardware, gcvPOWER_OFF_BROADCAST
));
gcmkFOOTER_NO();
return gcvSTATUS_OK;
OnError:
gcmkFOOTER();
return gcvSTATUS_OK;
}